Techno Oracle » Built-In Functions

Oracle PL/SQL :SIN function

admin — Thu, 29 Jul 2010 17:32:09 +0000

In Oracle PL/SQL SIN function returns mathematical sine value of the input provided n.The input provided must be of an angle and should be expressed in radians

Syntax

SIN(angle)

Example

SELECT SIN(30 * 3.14159265359/180)
“Sine value of 30” From Dual
Sine of 30 degrees
——————
.5

Oracle Built in Functions:AVG function

admin — Mon, 19 Jul 2010 17:30:18 +0000

In Oracle PL/SQL AVG function Returns average value of n.

Syntax

AVG(n)

Example

SELECT AVG(salary) “Avg_Sal” FROM emp;

Average
———-
2077.21429

Oracle PL/SQL:LOG function

admin — Wed, 07 Jul 2010 15:18:51 +0000

In Oracle PL/SQL LOG function returns the logarithm, base m, of n. The base m can be any positive number other than 0 or 1 and n can be any positive number.

Syntax

LOG(m, n)

Example

SELECT LOG(10,100) “Log base 10 of 100″ FROM DUAL;

Log base 10 of 100
——————
2

Oracle PL/SQL:AVG function

admin — Wed, 07 Jul 2010 15:09:27 +0000

In Oracle PL/SQL AVG function Returns average value of n.

Syntax

AVG(n)

Example

SELECT AVG(salary) “Avg_Sal” FROM emp;

Average
———-
2077.21429

Oracle PL/SQL:ATAN2 function

admin — Wed, 07 Jul 2010 15:01:35 +0000

In Oracle PL/SQL ATAN2 function Returns the arc tangent of n and m. Inputs are in an unbounded range, and outputs are in the range of -pi to pi, depending on the signs of n and m, and are expressed in radians. ATAN2(n,m) is the same as ATAN2(n/m)

Syntax

ATAN(n, m)

Example

SELECT ATAN2(.3, .2) “Arc_Tangent2″ FROM DUAL;

Arc_Tangent2
————
.982793723

Oracle PL/SQL:ATAN function

admin — Wed, 07 Jul 2010 14:55:41 +0000

In Oracle PL/SQL ATAN Function Returns the arc tangent of n. Inputs are in an unbounded range, and outputs are in the range of -pi/2 to pi/2 and are expressed in radians.

Syntax

ATAN(n)

Example

SELECT ATAN(.3) “Arc-Tangent” FROM DUAL;

Arc-Tangent

———-

.291456794

Oracle PL/SQL:SINH function

admin — Fri, 02 Jul 2010 08:17:21 +0000

In Oracle PL/SQL SINH unction returns Hyperbolical Sine value of the input provided n.The input provided must be of an angle and should be expressed in radians

Syntax

SINH(angle)

Example

SELECT SINH(1) “Hyperbolic sine value” FROM DUAL;

Hyperbolic sine of 1
——————–
1.17520119

Oracle PL/SQL:FLOOR function

admin — Thu, 01 Jul 2010 15:56:00 +0000

In Oracle PL/SQL FLOOR function Returns largest integer equal to or less than num.

Syntax

FLOOR(NUM)

Example

SELECT FLOOR(24.7) “Floor” FROM DUAL;

Floor
———-
24

Oracle PL/SQL:ADD_MONTHS Function

admin — Thu, 01 Jul 2010 15:49:15 +0000

In Oracle PL/SQL ADD_MONTHS function Returns the date d plus n months. The argument n can be any integer. If d is the last day of the month or if the resulting month has fewer days than the day component of d, then the result is the last day of the resulting month. Otherwise, the result has the same day component as d.

Syntax

ADD_MONTHS(d,n)

Example

SELECT TO_CHAR(
ADD_MONTHS(hiredate,1),
‘DD-MON-YYYY’) “Next month”
FROM employee
WHERE emp_name = ‘PETER’;

Next Month
———–
20-MAR-1990

Oracle PL/SQL:ACOS Function

admin — Thu, 01 Jul 2010 15:38:35 +0000

In Oracle PL/SQL ACOS Function Returns the arc cosine of input . Inputs are in the range of -1 to 1, and outputs are in the range of 0 to pi and are expressed in radians.

Syntax

ACOS(NUM)

Example

SELECT ACOS(.3)”ArcCosine” FROM DUAL;

ArcCosine
———-
1.26610367